
.sign_content {
    width: 100%;
    height: calc(100%-40);
    display: flex;
    align-items: center;
    justify-content: center;
}

.content {
    width: 400px;
    height: 300px;
    background-color: rgba(255, 255, 255, 0.8);
    margin: 50px 0;
    /*外边框*/
    border-radius: 20px;
}

.content .title {
    padding-top: 20px;
    text-align: center;
    margin-bottom: 10px;
}

.content .row {
    padding: 10px 0;
    height: 50px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content .span {
    display: block;
    width: 80px;
    font-size: 700;
    margin-right: 10px;
}

#username, #password,#password2 {
    width: 200px;
    height: 25px;
    line-height: 40px;
    font-size: 15px;
    padding-left: 10px;
    /*字体左移10 px*/
    outline: none;
}
#password,#password2{
    margin-left: 5px;
}

.row #submit {
    width: 300px;
    height: 40px;
    background-color: orange;
    color: #fff;
    outline: none;
    border: none;
    font-size: large;
    margin-top: 40px;
}